Difference between revisions of "MS-PS1-2"

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(Vocabulary section (terms from the Middle School Science Glossary) and PLD example questions)
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| Level4 = Plan and conduct an investigation to gather, analyze, and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
 
| Level4 = Plan and conduct an investigation to gather, analyze, and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
 
| Level3 = Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
 
| Level3 = Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
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| Example3 = [[Questions:Maple Syrup Production#q5|Spring 2025 Question 5]]
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| Example3 = <span class="pld-chip pld-chip-ms">[[Questions:Maple Syrup Production#q5|Spring 2025 · Q5]]</span> <span class="pld-chip pld-chip-ms">[[Questions:Rust#q3|Spring 2025 · Q26]]</span>
 
| Level2 = Given a chemical reaction, identify properties of the substances that are different before and after the reaction has taken place.
 
| Level2 = Given a chemical reaction, identify properties of the substances that are different before and after the reaction has taken place.
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| Example2 = [[Questions:Hard-Boiled Eggs#q2|Spring 2026 Question 40]]
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| Example2 = <span class="pld-chip pld-chip-ms">[[Questions:Hard-Boiled Eggs#q2|Spring 2026 · Q40]]</span> <span class="pld-chip pld-chip-ms">[[Questions:Rust#q1|Spring 2025 · Q24]]</span> <span class="pld-chip pld-chip-ms">[[Questions:The Chemistry of Propane#q2|Spring 2024 · Q50]]</span>
 
| Level1 = Given information about a reaction, identify the statement, from those provided, that provides evidence that a chemical reaction took place.
 
| Level1 = Given information about a reaction, identify the statement, from those provided, that provides evidence that a chemical reaction took place.
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| Example1 = [[Questions:Investigating Chemical Reactions#q1|Sample cluster ''Investigating Chemical Reactions'' Question 1]]
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| Example1 = <span class="pld-chip pld-chip-ms">[[Questions:Investigating Chemical Reactions#q1|Sample · Investigating Chemical Reactions Q1]]</span> <span class="pld-chip pld-chip-ms">[[Questions:Investigating Chemical Reactions#q4|Sample · Investigating Chemical Reactions Q4]]</span>
 
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Latest revision as of 09:45, 18 October 2026

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

Clarification statement: Examples of chemical reactions could include burning of a wooden splint, souring of milk and decomposition of sodium bicarbonate.

Assessment boundary: Assessment is limited to analysis of the following properties: density, melting point, boiling point, solubility, flammability, color change, gas production and odor.

Grade 8 Science Test Questions

Released New York State Grade 8 science test questions that assess MS-PS1-2 are listed here by test and question cluster. Each link opens the question with its answer key.

Exam Cluster Question
Spring 2026 Grade 8 Test Hard-Boiled Eggs Question 40
Spring 2025 Grade 8 Test Maple Syrup Production Question 5
Rust Question 24
Rust Question 26
Spring 2024 Grade 8 Test The Chemistry of Propane Question 50
Middle school sample clusters Investigating Chemical Reactions Question 1
Investigating Chemical Reactions Question 4

Vocabulary

Terms from the Middle School Science Glossary that come from this standard or from the released Grade 8 Science Test questions that assess it.

From this standard
  • analyze and interpret data
  • atom
  • boiling point
  • bulk quantity
  • burning
  • characteristic property
  • chemical property
  • chemical reaction
  • color change
  • data
  • decomposition
  • density
  • evidence
  • flammability
  • gas production
  • investigation
  • melting point
  • molecule
  • new substance
  • odor
  • physical property
  • property
  • rearrange
  • solubility
  • souring
  • substance
From released test questions

Performance Level Descriptions

Every Grade 8 Science Test question on MS-PS1-2 is written to match one of the performance level descriptions (PLDs) below.

Level 1: Given information about a reaction, identify the statement, from those provided, that provides evidence that a chemical reaction took place. Sample · Investigating Chemical Reactions Q1 Sample · Investigating Chemical Reactions Q4
Level 2: Given a chemical reaction, identify properties of the substances that are different before and after the reaction has taken place. Spring 2026 · Q40 Spring 2025 · Q24 Spring 2024 · Q50
Level 3: Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred. Spring 2025 · Q5 Spring 2025 · Q26
Level 4: Plan and conduct an investigation to gather, analyze, and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

Resources

Examples and discussion of resources for the learning, teaching, and assessment of MS-PS1-2.

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NGSS Dimensions

Performance expectation MS-PS1-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and Engineering Practices
  • Analyzing and Interpreting Data
    • Analyze and interpret data to determine similarities and differences in findings.
Disciplinary Core Ideas
  • PS1.A: Structure and Properties of Matter
    • (NYSED) Each substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.
  • PS1.B: Chemical Reactions
    • Substances react chemically in characteristic ways. When substances react, the atoms that make up the molecules rearrange, forming new substances with different properties.
Crosscutting Concepts
  • Patterns
    • Macroscopic patterns are related to the nature of microscopic and atomic-level structure.
MS | MS. Chemical Reactions